40MnVB A73402 - GB /T 3077-2015

Grade	40MnVB
China ISC	A73402
Corresponding Standard	GB /T 3077-2015 Alloy Structure Steels
Classification	Alloy Steel
Properties	Strength Impact Toughness Quench Hardness

40MnVB Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V	B
Minimum Value	0.37	0.17	1.1	-	-	-	-	-	-	0.05	0.0008
Maximum Value	0.44	0.37	1.4	0.03	0.03	0.3	0.3	0.3	0.1	0.1	0.0035

40MnVB Mechanical Properties

diameter d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
d=25	Quenching + Tempering	≥980	≥785	≥10	≥45	≤207	≥47

40MnVB Corresponding Standards(Same grade name, different standards)

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